Oxford Advanced American Dictionary

Definition of hypotenuse noun from the Oxford Advanced Learner's Dictionary

hypotenuse

noun
hypotenuse pronunciation English haɪˈpɒtənjuːz hypotenuse pronunciation American haɪˈpɑːtənuːs hypotenuse pronunciation American haɪˈpɑːtənjuːz
(geometry)
 
the side opposite the right angle of a right-angled triangle